Phoenix GR Series balances economically provide high-end features and performance. These analytical balances provide advanced resolution, are easy to use and calibrate, and adjust their settings based on environmental changes. Internal calibration is standard. Features include: Fully Automatic Self-Calibration, One Touch Environmental Filters, Data Memory (up to 200), Multiple Weighing Units GLP Compliance, Time and Date Stamp. Standard RS-232C allows bidirectional communication with PC. This model comes bundled with A & D's new WinCT Software. Blue Tooth technology is an available option. 5 year warranty.